No Co-Pilot Sound

[Sakrulex]

I wanted to play the game today but my Co-Pilot sound isn't working anymore. Before it all went good but now it does not. Anyone with a solution? I also went through the settings and didn't find anything there.

[CarDr]

There is no co-driver for hill climb and WRX, regular rally events only.
Explore the menus, you will find volume controls. Audio options; TV and headphones are stereo,

Flat is for 5.1 surround sound and co-driver is through center channel only.

As you have not stated what sound device you are using or how its hooked up, start looking for loose connections, sound settings for windows and any other sound apps that could have received an update.